Tuesday, December 18, 2012 — New episodes: Happy Endings, Don’t Trust The B in Apartment 23, Private Practice, NCIS, NCIS: Los Angeles, Vegas, and the season finale of The Voice. Specials: A Charlie Brown Christmas (repeat) and It’s a Very Merry Muppet Christmas Movie (repeat). Repeats: The Voice, Raising Hope, Ben and Kate, New Girl, and The Mindy Project.

Below are the fast affiliate ratings. The “demo” refers to the viewers in the 18-49 demographic. The percentages represent the change since the previous original episode. (Percentages aren’t given for reruns or specials.) “Millions” refers to the total number of viewers.

To see past ratings for a particular show, click the show’s link. The show pages are updated with the daily final ratings when they become available. Those pages include percentage changes in both the demo and total viewership, in addition to season averages to date.

ABC
8pm – A Charlie Brown Christmas: (special, repeat) 1.7 demo rating with 5.8 million.
9pm – Happy Endings: 1.3 in the demo (+8% change) with 3.2 million.
9:30pm – Don’t Trust the B in Apartment 23: 1.1 in the demo (+10% change) with 2.6 million.
10pm – Private Practice: 1.2 in the demo (0% change) with 3.8 million.

CBS
8pm – NCIS: 3.3 in the demo (+18% change) with 19.4 million.
9pm – NCIS: Los Angeles: 2.9 in the demo (+12% change) with 15.4 million.
10pm – Vegas: 1.6 in the demo (+7% change) with 9.8 million.

The CW:
8pm – It’s a Very Merry Muppet Christmas Movie: 0.5 rating with 1.4 million.

FOX
8pm – Raising Hope: (repeat) 1.0 in the demo with 2.5 million.
8:30pm – Ben and Kate: (repeat) 0.8 in the demo with 1.98 million.
9pm – New Girl: (repeat) 0.8 in the demo with 1.8 million.
9:30pm – The Mindy Project: (repeat) 0.6 in the demo with 1.5 million.

NBC
8pm – The Voice: (repeat) 2.4 in the demo with 8.1 million.
9pm – The Voice: 4.9 in the demo (+36% change) with 14.0 million.

What were you watching last night? Did you tune in for the season finale of The Voice on NBC? Will you watch the next cycle in March 2013?